MCB 3020 Exam ONE Study Guide Part 1 with
Complete Solutions
hat is the role of microbes in maintain temperature on earth? (Role of microbes in CO2 and CH4
recycling) - ANSWER - CO2 and CH4 are greenhouses gases that are produced by microbes (organic
carbon into CO2 and CH4 and vice versa)
-> microbes control the temperature
-> these gases trap infared light, and warm up the planet.
List the top three causes of death in the US. - ANSWER - 1. Heart Diseases
2. Cancer
3. Stroke
How has the role of microbes changed over the last 100 years? - ANSWER - 100 years ago, the main
cause of death in the US was infectious diseases (pneumonia, terbuculosis, etc.)
Main increases in public health:
1) water purification and sewer treatment (Clean Water Act)
2) vaccines
3) discovery of antibiotics (Alexandar Flemming)
List the major contributions to the science of microbiology - theories - ANSWER - Prior, people believed
in spontaneous generation.
-> life arises from non-living
Counter to that, germ theory of disease came about
- diseases come from germs, and those germs come from other living things (such as other germs)
, List the major contributions to the science of microbiology - Louis Pasteur - ANSWER - 1) Swan-neck flask
experiment
- put food in flask, heated flask.
- flask design made air not travel through
Microbes within the air actually entered the food and contaminated it.
- he thus disproved *spontaneous generation*
2) Pastuerization
- heating things up to 60-70 degrees C killed pathogens/germs,
List the major contributions to the science of microbiology - Antony van Leeuwenhock - ANSWER -
Invented the microscope - saw microorganisms on cloth through lens.
List the major contributions to the science of microbiology - Edward Jenner - ANSWER - He
discovered/produced the smallpox vaccine.
List the major contributions to the science of microbiology - Ignaz Semmelweis - ANSWER - Hospital
working dealing with babies
- at time, they were dying of a disease called puerperal sepsis, a kind of streptococcal infection
- telling doctors that hands were contaminated (wash your hands)
List the major contributions to the science of microbiology - Robert Koch - ANSWER - Connected
DISEASES to MICROBES
- Koch's postulates (set of criteria) ->
*one microbe causes one disease*
Established etiology - the cause of disease
- epidemiology
Complete Solutions
hat is the role of microbes in maintain temperature on earth? (Role of microbes in CO2 and CH4
recycling) - ANSWER - CO2 and CH4 are greenhouses gases that are produced by microbes (organic
carbon into CO2 and CH4 and vice versa)
-> microbes control the temperature
-> these gases trap infared light, and warm up the planet.
List the top three causes of death in the US. - ANSWER - 1. Heart Diseases
2. Cancer
3. Stroke
How has the role of microbes changed over the last 100 years? - ANSWER - 100 years ago, the main
cause of death in the US was infectious diseases (pneumonia, terbuculosis, etc.)
Main increases in public health:
1) water purification and sewer treatment (Clean Water Act)
2) vaccines
3) discovery of antibiotics (Alexandar Flemming)
List the major contributions to the science of microbiology - theories - ANSWER - Prior, people believed
in spontaneous generation.
-> life arises from non-living
Counter to that, germ theory of disease came about
- diseases come from germs, and those germs come from other living things (such as other germs)
, List the major contributions to the science of microbiology - Louis Pasteur - ANSWER - 1) Swan-neck flask
experiment
- put food in flask, heated flask.
- flask design made air not travel through
Microbes within the air actually entered the food and contaminated it.
- he thus disproved *spontaneous generation*
2) Pastuerization
- heating things up to 60-70 degrees C killed pathogens/germs,
List the major contributions to the science of microbiology - Antony van Leeuwenhock - ANSWER -
Invented the microscope - saw microorganisms on cloth through lens.
List the major contributions to the science of microbiology - Edward Jenner - ANSWER - He
discovered/produced the smallpox vaccine.
List the major contributions to the science of microbiology - Ignaz Semmelweis - ANSWER - Hospital
working dealing with babies
- at time, they were dying of a disease called puerperal sepsis, a kind of streptococcal infection
- telling doctors that hands were contaminated (wash your hands)
List the major contributions to the science of microbiology - Robert Koch - ANSWER - Connected
DISEASES to MICROBES
- Koch's postulates (set of criteria) ->
*one microbe causes one disease*
Established etiology - the cause of disease
- epidemiology
